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Remediation of the Southlands Tide Gates, City of Vancouver
Owner: City of VancouverConsultant: Associated Engineering (BC) Ltd.
Description: Two sites, Blenheim and Carrington, required the supply and replacement of two existing tide gates with new stainless-steel gates of 48" and 36" diameters. The replacement of the gates required installation of a drainage bypass system and was performed during the fisheries window and low tide periods. The third location, Dunbar, required the replacement of an existing outfall trash rack with a new galvanized rack. Work was done during low tide periods. Installation of the heavy new trash rack was done by helicopter as access was limited.
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Mission Creek At Evergreen Place Culvert, District of North Vancouver
Owner: District of North VancouverConsultant: ISL Engineering and Land Services Ltd.
Description: Replace an existing 23m long, 1.2m diameter concrete culvert with a 23m long, 4.9m wide x 2.5m high galvanized corrugated steel culvert. Work included maintaining a 5 month creek bypass; removing existing headwalls and 1.2 diameter concrete culvert; excavating a 30m long 7m wide trench through an existing roadway and supporting all utilities, including a 300m diameter watermain; creating a new fish friendly creek bottom and re-instating all disturbed riparian areas, utilities and roadways, complete with catch basins.
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